Meaning of Meltdown
Unknown / অজানা / अज्ञात
the melting of a significant portion of a nuclear-reactor core due to inadequate cooling of the fuel elements, a condition that could lead to the escape of radiation.
a quickly developing breakdown or collapse: a bond-market meltdown; the meltdown of a marriage.
Informal. a sudden loss of control over one’s feelings or behavior: My toddler had a meltdown when I tried to leave the house.
(in a nuclear reactor) the melting of the fuel rods as a result of a defect in the cooling system, with the possible escape of radiation into the environment
(informal) a sudden disastrous failure with potential for widespread harm, as a stock-exchange crash